Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

67°F

19°C

Humidity 42%
Wind Speed WNW 7 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 04 Sep 10:00 AM PDT
Extended Forecast for

20 Miles E Mount Hamilton CA

  • Today

    Today: Mostly sunny, with a high near 76. East southeast wind 6 to 9 mph becoming north northeast in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. North northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. North northwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Light and variable wind becoming north northeast 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Labor Day

    Labor Day: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of rain before 11am.  Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. East southeast wind 6 to 9 mph becoming north northeast in the afternoon.
Tonight
Mostly clear, with a low around 56. North northwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Sunny, with a high near 82. Calm wind becoming east northeast 5 to 8 mph in the afternoon.
Saturday Night
Clear, with a low around 57. North northwest wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 80. Light and variable wind becoming north northeast 5 to 9 mph in the morning.
Sunday Night
Clear, with a low around 57.
Labor Day
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 64.
Tuesday
A slight chance of rain before 11am. Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 85.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 69.
Thursday
Sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles E Mount Hamilton CA
 37.38°N 121.28°W (Elev. 1401 ft)
2:01 am PDT Sep 4, 2026
11am PDT Sep 4, 2026-6pm PDT Sep 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database